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@article{DAN_1991_321_2_a3, author = {V. G. Romanov}, title = {Uniqueness theorems in inverse problems for some second-order}, journal = {Doklady Akademii Nauk}, pages = {254--257}, publisher = {mathdoc}, volume = {321}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_321_2_a3/} }
V. G. Romanov. Uniqueness theorems in inverse problems for some second-order. Doklady Akademii Nauk, Tome 321 (1991) no. 2, pp. 254-257. http://geodesic.mathdoc.fr/item/DAN_1991_321_2_a3/