@article{TIMM_2016_22_4_a10,
     author = {V. V. Bogdanov and Yu. S. Volkov},
     title = {Shape preservation conditions under interpolation by {Subbotin's} parabolic splines},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {102--113},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2016_22_4_a10/}
}