@article{MZM_2003_73_4_a13,
     author = {Ya. G. Buchaev},
     title = {Estimates of {Norms} of {Eigenfunctions} of the {Strum--Liouville} {Problem} in {Sobolev} {Spaces}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {625--627},
     publisher = {mathdoc},
     volume = {73},
     number = {4},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_73_4_a13/}
}