@article{ZNSL_1999_258_a6,
     author = {C. Hespel and G. Jacob},
     title = {On the algebraic identification problem: results and perspectives},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {134--147},
     publisher = {mathdoc},
     volume = {258},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_258_a6/}
}