@article{UZERU_1994_2_a1,
     author = {G. A. Sarkissian},
     title = {A new method to build full system of own functions {In} {Dirlkhle{\textquoteright}s} problem for the equation of the string in the case of circle},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {23--28},
     publisher = {mathdoc},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1994_2_a1/}
}