@article{ZNSL_1969_14_a14,
     author = {N. N. Ural'tseva},
     title = {Non-selfadjointness in $L_2(R^n)$ of an elliptic operator with increasing coefficients},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {288--294},
     publisher = {mathdoc},
     volume = {14},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1969_14_a14/}
}