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@article{MZM_1991_49_1_a11, author = {Yu. I. Sapronov}, title = {Nonlocal finite dimensional reductions in variational boundary value problems}, journal = {Matemati\v{c}eskie zametki}, pages = {94--103}, publisher = {mathdoc}, volume = {49}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_1_a11/} }
Yu. I. Sapronov. Nonlocal finite dimensional reductions in variational boundary value problems. Matematičeskie zametki, Tome 49 (1991) no. 1, pp. 94-103. http://geodesic.mathdoc.fr/item/MZM_1991_49_1_a11/