00565naa#a2200193#i#450# EN\\bibl\12571 20241226162731.4 2073-0462 20160705b2016####ek#y0engy0150####ca RUS RU ROTATIONAL TOOL TO SURFACE SOIL TILLAGE BY ELLIPTICAL DISCS Journal article Kazan Kazan state agrarian University 2016 3 с. Journal article local Aliakberov Ilfat Yakhin Sergey Mirbatovich Gaynutdinov Ramil Halilovich zh-szf.ru