PROTTER'S CONJUGATE BOUNDARY VALUE PROBLEMS FOR TWO DIMENSIONAL WAVE EQIATION

Jeon, Jong-Duek (Department of Mathematics Kyung Hee University Seoul 130-701) ;
Khe, Kan-Cher (Department of Mathematics Khavarovsk State University of Technology Khavarovsk 68002, Russia) ;
Park, Ji-Hyun (Department of Mathematics Soonchunghyang University Onyang 337-830) ;
Jeon, Yong-Hee (Department of Computer Science Taegu Hyosung Catholic University Kyung San 713-702) ;
Park, Jong-Bae (Department of Mathematics Kyung Hee University Seoul 130-701)

In 1954 M. H. Protter [1] formulated the following boundary value problem as an analogue of the plane Darboux problem.