00587naa#a2200193#i#450# EN\\bibl\2700 20241204232044.3 1992-5980 20140630b2014####ek#y0engy0150####ca RUS RU Axisymmetric bending of circular sandwich plate on elastic foundation with complicated structure Journal article rostov on don Don state technical University 2014 0 с. Journal article local Melkonyan Avetik Ayzikovich Sergey Volkov Sergey zh-szf.ru