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@article{DE_1970_6_6_a9, author = {V. L. Rvachev}, title = {On the question of constructing coordinate sequences}, journal = {Differencialʹnye uravneni\^a}, pages = {1034--1047}, publisher = {mathdoc}, volume = {6}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_6_a9/} }
V. L. Rvachev. On the question of constructing coordinate sequences. Differencialʹnye uravneniâ, Tome 6 (1970) no. 6, pp. 1034-1047. http://geodesic.mathdoc.fr/item/DE_1970_6_6_a9/