Letter on a Form The author informs on a publication of an addressee's article in "Informatika" num.5, 1974 and in their edition in 1975. The addressee can receive the royalties about 1500 zl. on his visit to Poland. Date: 05.02.1975 Original document language: Polish Authors: Leon Lukashevich Addressee: Andrei Petrovich Ershov
