Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1972_128_a16, author = {V. Ya. Yanchak}, title = {The expansion of functions of a mixed class in a series of algebraic polynomials}, journal = {Informatics and Automation}, pages = {242--256}, publisher = {mathdoc}, volume = {128}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1972_128_a16/} }
V. Ya. Yanchak. The expansion of functions of a mixed class in a series of algebraic polynomials. Informatics and Automation, Collection of articles. Part II, Tome 128 (1972), pp. 242-256. http://geodesic.mathdoc.fr/item/TRSPY_1972_128_a16/