@article{MZM_1981_29_2_a6,
     author = {G. A. Mirzoev},
     title = {Description of the self-adjoint extensions of quasiregular operators generated by differential expressions with two terms},
     journal = {Matemati\v{c}eskie zametki},
     pages = {225--233},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_2_a6/}
}