An Elaborate Uniform Convergence: 10840
Jiansheng Yang, Shulin Zhou, O.P. Lossers · American Mathematical Monthly · 2002
Solved also by S. Amighibech (France), J. Anglesio (France), M. Bataille (France), J. C. Binz (Switzerland), H. M. Bui (U.K.), D. Donini (Italy), P. Dwinger (Switzerland), E. Gutkin, M. S. Klamkin (Canada), N. Komanda, B. Lin (China), 0. P. Lossers (The Netherlands), W. W. Meyer, V. Mihai (Canada), D. P. Peter (Hungary), R. A. Simon (Chile), R. Stong, A. Vorobyov, L. Zhou, GCHQ Problems Group (U.K.), and the proposer.