@article{MZM_1996_60_3_a22,
     author = {A. V. Tomilin},
     title = {Piecewise parabolic spline curves with nodes at vertices of a~convex quadrangle},
     journal = {Matemati\v{c}eskie zametki},
     pages = {474--477},
     publisher = {mathdoc},
     volume = {60},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_3_a22/}
}