@article{MZM_1991_49_3_a2,
     author = {V. V. Gorodestkii},
     title = {Polynomial approximation of solutions of evolutionary parabolic equations in {a~Hilbert} space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {23--27},
     publisher = {mathdoc},
     volume = {49},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_3_a2/}
}