International Journal of Mathematics and Mathematical Sciences
Volume 1 (1978), Issue 1, Pages 113-123
doi:10.1155/S0161171278000149
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Department of Mathematics, University of Southwestern Louisiana, Lafayette 70504, Louisiana, USA
Copyright © 1978 Bradd Evans Clark. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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