TY - JOUR AU - M. Vuorinen TI - Singular values, Ramanujan modular equations, and Landen transformations JO - Studia Mathematica PY - 1996 SP - 221 EP - 230 VL - 121 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-121-3-221-230/ DO - 10.4064/sm-121-3-221-230 LA - en ID - 10_4064_sm_121_3_221_230 ER -