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@article{FAA_1979_13_4_a12, author = {V. A. Dmitrushchenkov}, title = {Spectrum of the generalized {Hill} operator}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {69--70}, publisher = {mathdoc}, volume = {13}, number = {4}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a12/} }
V. A. Dmitrushchenkov. Spectrum of the generalized Hill operator. Funkcionalʹnyj analiz i ego priloženiâ, Tome 13 (1979) no. 4, pp. 69-70. http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a12/