TY - JOUR AU - Gewirtz, A. TI - Graphs with Maximal Even Girth JO - Canadian journal of mathematics PY - 1969 SP - 915 EP - 934 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-101-9/ DO - 10.4153/CJM-1969-101-9 ID - 10_4153_CJM_1969_101_9 ER -