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@article{DAN_1993_331_2_a4, author = {V. Ya. Yakubov}, title = {Sharp estimates for normalized eigenfunctions of the {Sturm--Liouville} problem}, journal = {Doklady Akademii Nauk}, pages = {148--149}, publisher = {mathdoc}, volume = {331}, number = {2}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_331_2_a4/} }
V. Ya. Yakubov. Sharp estimates for normalized eigenfunctions of the Sturm--Liouville problem. Doklady Akademii Nauk, Tome 331 (1993) no. 2, pp. 148-149. http://geodesic.mathdoc.fr/item/DAN_1993_331_2_a4/