%0 Journal Article %T General Analysis of the Shape of Two Similar Second-Order Surfaces’ Intersection Line %A Ivaschenko, A.V. %A Vavanov, D.. %K quadric, conic, fourth-order spatial curve, degenerate quadric, surface classification, shape parameters, relative position’s parameters, forming curves, guiding curves %J Geometry & Graphics %D 2020 %N 8 %P 10 %I INFRA-M Academic Publishing LLC.