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@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/} }
B. M. Shumilov. On Lagrange interpolation by parabolic splines with additional knots. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1987), pp. 58-62. http://geodesic.mathdoc.fr/item/IVM_1987_1_a9/