Otrazheniye i informatsiya
Урсул, Aркaдии Дмитриевич.
Otrazheniye i informatsiya A. D. Ursul. - Moskva : Mysl, 1973. - 231 p. ;
RUSSIAN9
Reflection (Dialectical materialism).
335.4 / Ot
Otrazheniye i informatsiya A. D. Ursul. - Moskva : Mysl, 1973. - 231 p. ;
RUSSIAN9
Reflection (Dialectical materialism).
335.4 / Ot