@article{ZNSL_1999_261_a16,
     author = {S. S. Podkorytov},
     title = {An alternative proof of a weak form of {Serre's} theorem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {210--221},
     year = {1999},
     volume = {261},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_261_a16/}
}