数学物理学报(英文版) ›› 1982, Vol. 2 ›› Issue (4): 421-435.
吕涛
Lu Tao
摘要： Consider nonlinear operator equation, Ax+Fx=a, where A is a dense closed linear operator, F is a nonlinear operator. In this paper, we shall give the criterion about solution existence of this equation and the convergence criterion of Galerkln approximate solutions.