%0 Journal Article %A A. V. Tomilin %T Piecewise parabolic spline curves with nodes at vertices of a~convex quadrangle %J Matematičeskie zametki %D 1996 %P 474-477 %V 60 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a22/ %G ru %F MZM_1996_60_3_a22