00337nam a2200121Ia 4500082001700000100001700017245006400034260005200098300002100150490003400171500000500205700000500210  a514bC947.FP  aCronin, Jane  aFixed points and topological degree in nonlinear analysisb  aProvidencebAmerican Mathematical Societyc1964  axii, 198p. Index  aMathematical surveysv no. 11  a  a