@article{FAA_1982_16_3_a19,
     author = {Yu. B. Orochko},
     title = {Theory of self-adjoint operators generated by strongly singular, second-order expression of divergence type},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {80--81},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1982_16_3_a19/}
}