@article{EMJ_2011_2_2_a6,
     author = {B. N. Biyarov},
     title = {About the spectrum of the {Laplace} operator},
     journal = {Eurasian mathematical journal},
     pages = {129--133},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2011_2_2_a6/}
}