%0 Journal Article %A A. O. Kazakov %T On the calculation of border and contact nodes by grid-characteristic method on non-periodic tetrahedral grids %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2018 %P 375-391 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2018_21_4_a2/ %G ru %F SJVM_2018_21_4_a2