00532naa#a2200193#i#450# EN\\bibl\607 20251230141100.2 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Hiller’s surface form design method Journal article Kazan Kazan state agrarian University 2013 3 с. Journal article local Zimagulov Tagir Zimagulov Anas Bulgariev Gumar Galiaskarovich zh-szf.ru