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@article{CM_1959-1960__14__50_0, author = {Motzkin, T. S. and Walsh, J. L.}, title = {Location of zeros of infrapolynomials}, journal = {Compositio Mathematica}, pages = {50--70}, publisher = {Kraus Reprint}, volume = {14}, year = {1959-1960}, mrnumber = {104786}, zbl = {0086.02002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1959-1960__14__50_0/} }
Motzkin, T. S.; Walsh, J. L. Location of zeros of infrapolynomials. Compositio Mathematica, Tome 14 (1959-1960), pp. 50-70. http://geodesic.mathdoc.fr/item/CM_1959-1960__14__50_0/