CWI
CWI syllabus
CWI Archive M044
Summer School on Number Theory and its Applications

van de Lune, J.& Wattel, E. (1990). Systematic computations on Gauss' lattice point problem (in commemoration of Johannes Gualtherus van der Corput, 1890--1975). Proceedings of Conference on Number Theory and Its Applications 1990 (0), 25–56.