TY - JOUR AU - Zelinka, Bohdan TI - A distance between isomorphism classes of trees JO - Czechoslovak Mathematical Journal PY - 1983 SP - 126 EP - 130 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101863/ DO - 10.21136/CMJ.1983.101863 LA - en ID - 10_21136_CMJ_1983_101863 ER -