@article{SM_1976_28_2_a3,
     author = {Yu. B. Orochko},
     title = {A~sufficient condition for essential selfadjointness of polynomials in the {Schr\"odinger} operator},
     journal = {Sbornik. Mathematics},
     pages = {169--185},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1976_28_2_a3/}
}