@article{DAN_1994_334_3_a2,
     author = {M. M. Gekhtman and M. M. Gekhtman (jr.) and Yu. M. Zagir{\cyro}v},
     title = {Sharp estimates for normalized eigenfunctions of the {Sturm--Liouville} operator on a finite interval with a continuous positive weight function},
     journal = {Doklady Akademii Nauk},
     pages = {268--269},
     publisher = {mathdoc},
     volume = {334},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_334_3_a2/}
}