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@article{DAN_1992_327_1_a3, author = {M. I. Tramov}, title = {Oscillatory properties of linear differential equations with}, journal = {Doklady Akademii Nauk}, pages = {25--31}, publisher = {mathdoc}, volume = {327}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_327_1_a3/} }
M. I. Tramov. Oscillatory properties of linear differential equations with. Doklady Akademii Nauk, Tome 327 (1992) no. 1, pp. 25-31. http://geodesic.mathdoc.fr/item/DAN_1992_327_1_a3/