TY - JOUR AU - Bisztriczky, Tibor TI - Biplanar Surfaces of Order Three II JO - Canadian journal of mathematics PY - 1980 SP - 839 EP - 866 VL - 32 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-064-1/ DO - 10.4153/CJM-1980-064-1 ID - 10_4153_CJM_1980_064_1 ER -