TY - JOUR AU - Jakubíková-Studenovská, Danica TI - On a cancellation law for monounary algebras JO - Mathematica Bohemica PY - 2003 SP - 77 EP - 90 VL - 128 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2003.133930/ DO - 10.21136/MB.2003.133930 LA - en ID - 10_21136_MB_2003_133930 ER -