@article{DAN_1989_309_4_a0,
     author = {M. S. Almamedov},
     title = {The spectral measure of a class of selfadjoint multiparameter},
     journal = {Doklady Akademii Nauk},
     pages = {777--780},
     year = {1989},
     volume = {309},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_309_4_a0/}
}