@article{DAN_1970_193_1_a0, author = {Sh. A. Alimov and V. A. Il'in}, title = {Spectral decompositions corresponding to an arbitrary nonnegative selfadjoint extension of {Laplace's} operator}, journal = {Doklady Akademii Nauk}, pages = {9--12}, publisher = {mathdoc}, volume = {193}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_193_1_a0/} }