@article{IVM_1993_1_a9,
     author = {M. Yu. Yunusov},
     title = {On a~double effect in a~singularly perturbed nonlocal problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {74--77},
     publisher = {mathdoc},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1993_1_a9/}
}