@article{ZVMMF_2003_43_4_a8,
     author = {A. B. Vasil'eva},
     title = {On singularities of solutions of singularly perturbed boundary value problems when the roots of a degenerate equation merge},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {554--561},
     publisher = {mathdoc},
     volume = {43},
     number = {4},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2003_43_4_a8/}
}