@article{IVM_1974_4_a13,
     author = {Can Zui Bong},
     title = {On the question of the invertibility of a~singularly perturbed differential operator with periodic coefficients in the space of almost periodic functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {97--103},
     publisher = {mathdoc},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1974_4_a13/}
}