TY - JOUR AU - Norman Richert TI - A generalization of a theorem of Euler for regular chains of complex quadratic irrationalities JO - Acta Arithmetica PY - 1990 SP - 1 EP - 18 VL - 56 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-56-1-1-18/ DO - 10.4064/aa-56-1-1-18 LA - en ID - 10_4064_aa_56_1_1_18 ER -