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@article{MZM_1973_13_2_a8, author = {M. I. Elshin and L. I. Smolich}, title = {On a~boundary-value problem solvability condition}, journal = {Matemati\v{c}eskie zametki}, pages = {247--250}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1973_13_2_a8/} }
M. I. Elshin; L. I. Smolich. On a~boundary-value problem solvability condition. Matematičeskie zametki, Tome 13 (1973) no. 2, pp. 247-250. http://geodesic.mathdoc.fr/item/MZM_1973_13_2_a8/