00639naa#a2200241#i#450# EN\\bibl\60940 20250828050927.4 3034-4689 20250801b2025####ek#y0engy0150####ca ENG RU Soluble block Copolyimides Journal article Kazan Kazan National Research Technological University 2025 3 с. Journal article local . 678.745-13 ENG Hloba N I Prokopchuk N R Krutko E T Zelencovsky V M Sofina S Yu Zaikov G E vestniktu.ru