J. Korean Math. Soc. 1991; 28(2): 215-228
Printed December 1, 1991
Copyright © The Korean Mathematical Society.
Hyeong Ohk Bae, Chung Nim Lee, and Timothy Poston
Pohang Institute of Science and Technology, Pohang Institute of Science, and Technology and Pohang Institute of Science and Technology
© 2022. The Korean Mathematical Society. Powered by INFOrang Co., Ltd