TY  - JOUR
AU  - Lagrange, Jean
TI  - Pythagorean ratios in arithmetic progression, part II. Four Pythagorean ratios
JO  - Glasgow mathematical journal
PY  - 1994
SP  - 45
EP  - 55
VL  - 36
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030536/
DO  - 10.1017/S0017089500030536
ID  - 10_1017_S0017089500030536
ER  -