Common fixed point theorems for a finite family of discontinuous and noncommutative maps. Lin, Lai-Jiu; Wang, Sung-Yu — 2011 Fixed Point Theory and Applications [electronic only]
Critical point theorems and Ekeland type variational principle with applications. Lin, Lai-Jiu; Wang, Sung-Yu; Ansari, Qamrul Hasan — 2011 Fixed Point Theory and Applications [electronic only]