00563naa#a2200193#i#450# EN\\bibl\6628 20241214052825.6 1992-5980 20150930b2015####ek#y0engy0150####ca RUS RU Notch effect on the liability of welded joints to intergranular fracture Journal article rostov on don Don state technical University 2015 6 с. Journal article local Poletaev Valeriy Poletaev Yuriy Rogozin Dmitriy zh-szf.ru