00502nam a2200181Ia 4500 9780821887141 515.72 Ou93.MD Outerelo, Enrique and Ruiz , jesus M. Mapping degree theory Providence American Mathematical Society 2012 x, 244p. Bibl. Index. Graduate studies in Mathematics v. 108 Ruiz , jesus M ; jt. auth. 0 0 0 0 GR ISI ISI 2013-03-12 0 515.72 Ou93.MD G3089 2019-02-14 00:00:00 2019-02-14 BK 32912 32912 32912