Jianliang Tang. Some Necessary Conditions on the Number of Solutions for the P4P Problem. In Hongbo Li, Peter J. Olver, Gerald Sommer, editors, Computer Algebra and Geometric Algebra with Applications, 6th International Workshop, IWMM 2004, Shanghai, China, May 19-21, 2004, and International Workshop, GIAE 2004, Xian, China, May 24-28, 2004, Revised Selected Papers. Volume 3519 of Lecture Notes in Computer Science, pages 56-64, Springer, 2004. [doi]
Abstract is missing.