@article{JRAM_1980__318_152269,
     author = {Andrew Bremner},
     title = {Pythagorean triangels and a quartic surface.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {120--125},
     publisher = {mathdoc},
     volume = {318},
     year = {1980},
     zbl = {0425.10018},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1980__318_152269/}
}