00477naa#a2200181#i#450# EN\\bibl\74252 20250102173011.4 2413-046X 20170625b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local Теория кооперации. 334.7.01 ENG Skomorohov Sergey Nikolaevich qje.su