Afrouzi, G.A., A. Hadjian, S. Shakeri, and M. Mirzapour. “EXISTENCE RESULTS FOR A QUASILINEAR BOUNDARY VALUE PROBLEM INVESTIGATED VIA DEGREE THEORY”. Journal of Nonlinear Analysis and Optimization: Theory & Applications 3, no. 1 (March 31, 2012): 25-32. Accessed October 26, 2021. http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/92.