Leu, Liang-JenqLiang-JenqLeuYang, Yeong-BinYeong-BinYang2009-02-192018-07-092009-02-192018-07-091991http://ntur.lib.ntu.edu.tw//handle/246246/133754en-USForce Recovery Procedures in Nonlinear Analysisjournal article10.1016/0045-7949(91)90262-K2-s2.0-0026388197