@article{IVM_1994_5_a5,
     author = {V. F. Safonov},
     title = {Regularized asymptotic solutions of singularly perturbed problems in the critical case},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {41--48},
     publisher = {mathdoc},
     number = {5},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_5_a5/}
}