@article{ZNSL_1985_147_a14,
     author = {A. L. Treskunov},
     title = {On an extention of the {Virtinger's} inequality and its application to the study of the elliptic equations},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {184--187},
     publisher = {mathdoc},
     volume = {147},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_147_a14/}
}