TY - JOUR TI - A Quartic with 28 Real Bitangents JO - Canadian mathematical bulletin PY - 1964 SP - 399 EP - 404 VL - 7 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-038-6/ DO - 10.4153/CMB-1964-038-6 ID - 10_4153_CMB_1964_038_6 ER -