@article{SM_1985_52_1_a11,
     author = {A. I. Karol'},
     title = {The zeta-function of a~degenerate elliptic operator},
     journal = {Sbornik. Mathematics},
     pages = {209--230},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1985_52_1_a11/}
}