@article{ZNSL_2002_284_a13,
     author = {M. N. Yakovlev},
     title = {Existence of~$2^n$ solutions of a system of~$n$ nonlinear equations in~$n$ unknowns},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {263--268},
     year = {2002},
     volume = {284},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_284_a13/}
}