@article{IVM_1994_2_a4,
     author = {Yu. G. Borisovich},
     title = {Topological characteristics and {Fredholm} analysis in nonlinear problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {22--26},
     publisher = {mathdoc},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_2_a4/}
}