TY - JOUR AU - O. Martio TI - On k-periodic quasiregular mappings in Rn JO - Annales Fennici Mathematici PY - 1975 SP - 207 EP - 220 VL - 1 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1975.0109/ DO - 10.5186/aasfm.1975.0109 LA - en ID - AFM_1975_1_2_a1 ER -