Dialektika na usŭvŭrshenstvuvaneto, uskorenieto i preustroĭstvoto v sŭvremennoto razvitie na sŭvetskoto obshtestvo
By: V.S. Semʹonov.
Publisher: Obshtonar. kom-t za bŭlgaro-sŭvetska druzhba
Published: 1987
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 71