@article{ZNSL_1999_258_a1,
     author = {A. Galligo},
     title = {Real factorization of multivariate polynomials with integer coefficients},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {60--70},
     year = {1999},
     volume = {258},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_258_a1/}
}