ISBN 9785020140912 books & textbook

Vybor variantov: Osnovy teorii (Teorii͡a︡ i metody sistemnogo analiza) (Russian Edition)

"Nauka," Glav. red. fiziko-matematicheskoĭ lit-ry /1990T Paperback
isbn-10: 5020140910 / isbn-13: 9785020140912