By Chang T.H.   Yen C.L.   in Journal of Mathematical Analysis and Applications

ISSN:0022-247X|203|1|224-235

Academic Press‎(1996)‎

Access to resources Favorite 11.74122

By Yen C-L.   in Water, Air, and Soil Pollution

ISSN:0049-6979|99|1-4|81-88

Springer Publishing Company ‎(1997)‎

Access to resources Favorite 5.715307