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@article{DAN_1990_314_6_a27, author = {V. P. Shestopalov}, title = {Morse critical points of dispersion equations}, journal = {Doklady Akademii Nauk}, pages = {1396--1401}, publisher = {mathdoc}, volume = {314}, number = {6}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a27/} }
V. P. Shestopalov. Morse critical points of dispersion equations. Doklady Akademii Nauk, Tome 314 (1990) no. 6, pp. 1396-1401. http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a27/