@article{DAN_1979_249_6_a5,
     author = {N. La\v{z}eti\'c},
     title = {Uniform estimates for the first derivatives of the eigenfunctions of a {Sturm--Liouville} operator with a potential from the class},
     journal = {Doklady Akademii Nauk},
     pages = {1304--1305},
     publisher = {mathdoc},
     volume = {249},
     number = {6},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_249_6_a5/}
}