@article{MZM_1980_28_1_a3,
     author = {N. A. Nazarenko and S. V. Pereverzev},
     title = {Exact values of approximation by {Hermitian} splines of even degree in classes of differentiable functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {33--44},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1980_28_1_a3/}
}