@article{ZNSL_1991_192_a3,
     author = {J. P. Jones},
     title = {Computational complexity of winning strategies in two player polynomial games},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {69--73},
     year = {1991},
     volume = {192},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_192_a3/}
}