TY - JOUR TI - Pythagorean ratios in arithmetic progression, part i. three Pythagorean ratios JO - Glasgow mathematical journal PY - 1993 SP - 395 EP - 407 VL - 35 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009988/ DO - 10.1017/S0017089500009988 ID - 10_1017_S0017089500009988 ER -