with Yu.G.Mikhalevich.

with S.B.Pokrovsky.

with F.G.Fenske.

on the work of A.P.Ershov.

with V.E.Itkin.

with L.L.Zmievskaya.

with T.K.Pankevich.

with V.P.Milyutin.

with G.S.Bogdanova.

with L.B.Efros.

with G.A.Plotnikova.

with A.P.Ershov.

with I.S.Golosov.

with G.I.Babetsky.

with V.L.Katkov.

with O.N.Malikova.

with G.I.Kozhukhin.

with N.A.Kalinina.