@article{IVM_1987_1_a9,
     author = {B. M. Shumilov},
     title = {On {Lagrange} interpolation by parabolic splines with additional knots},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {58--62},
     publisher = {mathdoc},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_1_a9/}
}