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@article{FAA_1975_9_1_a18, author = {A. R. Its and V. B. Matveev}, title = {vHill's operator with finitely many gaps}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {69--70}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1975_9_1_a18/} }
A. R. Its; V. B. Matveev. vHill's operator with finitely many gaps. Funkcionalʹnyj analiz i ego priloženiâ, Tome 9 (1975) no. 1, pp. 69-70. http://geodesic.mathdoc.fr/item/FAA_1975_9_1_a18/
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