@article{RM_1986_41_2_a6,
     author = {Kh. Abduvaitov},
     title = {On~bounded invertibility of a second-order differential operator},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {189--190},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1986_41_2_a6/}
}