TY - JOUR AU - Lyon, Herbert C. TI - Incompressible Surfaces in the Boundary of a Handlebody–an Algorithm JO - Canadian journal of mathematics PY - 1980 SP - 590 EP - 595 VL - 32 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-045-6/ DO - 10.4153/CJM-1980-045-6 ID - 10_4153_CJM_1980_045_6 ER -