@article{MZM_2000_67_1_a4,
     author = {S. A. Denisov},
     title = {On the order of growth of generalized eigenfunctions of the {Sturm--Liouville} operator. {The} {Shnol'} theorem},
     journal = {Matemati\v{c}eskie zametki},
     pages = {46--51},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_1_a4/}
}