%0 Journal Article %A B. M. Shumilov %T Smooth interpolation of surfaces by parametric splines of the second degree on an irregular triangular grid %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1992 %P 802-807 %V 32 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1992_32_5_a10/ %G ru %F ZVMMF_1992_32_5_a10