@article{10_4064_ap112_3_2, author = {Krzysztof Kurdyka and Beata Osi\'nska-Ulrych and Grzegorz Skalski and Stanis{\l}aw Spodzieja}, title = {Sum of squares and the {{\L}ojasiewicz} exponent at infinity}, journal = {Annales Polonici Mathematici}, pages = {223--237}, publisher = {mathdoc}, volume = {112}, number = {3}, year = {2014}, doi = {10.4064/ap112-3-2}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap112-3-2/} }