@article{03636118, title = {Numerical and graphical description of all axis crossing regions for the moduli 4 and 8 which occur before }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2}, year = {1979}, pages = {111-119}, doi = {10.1155/S0161171279000119}, zbl = {0409.10030}, language = {en}, url = {http://dml.mathdoc.fr/item/03636118} }
Bays, Carter; Hudson, Richard H. Numerical and graphical description of all axis crossing regions for the moduli 4 and 8 which occur before . International Journal of Mathematics and Mathematical Sciences, Tome 2 (1979) pp. 111-119. doi : 10.1155/S0161171279000119. http://gdmltest.u-ga.fr/item/03636118/