@article{UZERU_1986_2_a2,
     author = {T. A. Tersian},
     title = {On the asymptotic behaviour of the first eigenvalue of the differential operator with a small parameter},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {22--27},
     year = {1986},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1986_2_a2/}
}