@article{IVM_1981_7_a2,
     author = {A. A. Vasil'ev},
     title = {Multiple interpolation and approximation by splines of an arbitrary defect},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {14--20},
     year = {1981},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_7_a2/}
}