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@article{DAN_1981_258_2_a8, author = {P. A. Kuchment}, title = {On {Floquet} theory for parabolic and elliptic boundary value problems in a cylinder}, journal = {Doklady Akademii Nauk}, pages = {296--299}, publisher = {mathdoc}, volume = {258}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_2_a8/} }
P. A. Kuchment. On Floquet theory for parabolic and elliptic boundary value problems in a cylinder. Doklady Akademii Nauk, Tome 258 (1981) no. 2, pp. 296-299. http://geodesic.mathdoc.fr/item/DAN_1981_258_2_a8/