TY - JOUR AU - A. V. Tomilin TI - Piecewise parabolic spline curves with nodes at vertices of a~convex quadrangle JO - Matematičeskie zametki PY - 1996 SP - 474 EP - 477 VL - 60 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a22/ LA - ru ID - MZM_1996_60_3_a22 ER -