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@article{IVM_1972_9_a8, author = {D. F. Mel'nik}, title = {Normal fundamental matrices of elliptic systems in an unbounded space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {66--70}, publisher = {mathdoc}, number = {9}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_9_a8/} }
D. F. Mel'nik. Normal fundamental matrices of elliptic systems in an unbounded space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1972), pp. 66-70. http://geodesic.mathdoc.fr/item/IVM_1972_9_a8/