@article{DAN_1991_318_4_a12,
     author = {V. A. Sadovnichii and V. V. Dubrovskiy},
     title = {A formula for the first regularized trace of the {Laplace--Beltrami
}},
     journal = {Doklady Akademii Nauk},
     pages = {825--827},
     publisher = {mathdoc},
     volume = {318},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_4_a12/}
}