from a section of the Institute of Cybernitics (Kiev). (With a hand-written Ershov's explanatory remark addressed to his mother.)

by Era Vnukova. (With a hand-written Ershov's explanatory remark addressed to his mother.)

on A.P.Ershov's jubilee.

from Leningrad programmers containing plenty of witty hints on Ershov's works. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from Novosibirsk colleagues, "coffee-clubbers". (With a hand-written Ershov's explanatory remark addressed to his mother. The list of authors does not contain persons not identified by their signatures.)

from Moldavian programmers. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the researchers of the Software Laboratory of the Institute of Mathematics of the Siberian Branch of the USSR Ac. Sci. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from A.Ibragimov. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the library of the Computing Center. (With a hand-written Ershov's explanatory remark addressed to his mother.)

for the birthday dinner party. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Odessa Institute of Economics. (With a hand-written Ershov's explanatory remark addressed to his mother.)

in prose and verses from programmers of the Institute of Cybernetics of the Ukrainian Academy of Sciences and from E.Yushchenko personally. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Department of Progranmming and Problem Solving of the Ukrainian Institute of Cybernetics. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the laboratory of optimal data processing of the Computing Center. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Ukrainian Institute of Cybernetics. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Computing Center administration. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Institute of Mathematics of the Belorussian Academy of Sciences.

from the Research Institute of Computers (Minsk). (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Institute of Theoretical and Applied Mechanics. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Novosibirsk Branch of the Institute of Precise Mechanics and Computer Thchnology. (With a hand-written Ershov's explanatory remark addressed to his mother.)