@article{MZM_1981_30_5_a2,
     author = {Z. Kadelburg},
     title = {Asymptotic of {\textquotedblleft}the spectral functions{\textquotedblright} of two non-self-adjoint boundary-value problems},
     journal = {Matemati\v{c}eskie zametki},
     pages = {659--667},
     year = {1981},
     volume = {30},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_5_a2/}
}