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@article{IM2_1967_1_5_a4, author = {K. K. Golovkin}, title = {The principle of locality in the theory of boundary-value problems}, journal = {Izvestiya. Mathematics }, pages = {983--1010}, publisher = {mathdoc}, volume = {1}, number = {5}, year = {1967}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a4/} }
K. K. Golovkin. The principle of locality in the theory of boundary-value problems. Izvestiya. Mathematics , Tome 1 (1967) no. 5, pp. 983-1010. http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a4/