@article{ZVMMF_1993_33_9_a4,
     author = {Huynh Ba Lan and Le Thai Thanh and Nguyen Thanh Long and Nguyen Thuan Bang and Tran Luu Cuong and Trinh Ngoc Minh},
     title = {On the nonlinear vibrations equation with a coefficient containing an integral},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1324--1332},
     year = {1993},
     volume = {33},
     number = {9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_9_a4/}
}