@article{DAN_1993_330_5_a0,
     author = {K. Kh. Boimatov},
     title = {The spectral asymptotics of nonselfadjoint degenerate elliptic systems of differential operators},
     journal = {Doklady Akademii Nauk},
     pages = {533--538},
     publisher = {mathdoc},
     volume = {330},
     number = {5},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_330_5_a0/}
}