@article{TIMM_2016_22_4_a21,
     author = {A.-R. K. Ramazanov and V. G. Magomedova},
     title = {Splines for four-point rational interpolants},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {233--246},
     year = {2016},
     volume = {22},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2016_22_4_a21/}
}