@article{FAA_1980_14_2_a3,
     author = {V. Ya. Ivrii},
     title = {Second term of the spectral asymptotic expansion of the {Laplace--Beltrami} operator on manifolds with boundary},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {25--34},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_2_a3/}
}