Research on a Solution of Elliptic Boundary Value Problems by Using Theories of Accretive Operators
WEI Li,NAN Shu-qin,LIU Yuan-xing
Journal of Hebei University (Natural Science Edition) . 2001, (1): 9 -16 .  DOI: 10.3969/j.issn.1000-1565.2001.01.004