TY - JOUR AU - Chein, E. Z. TI - On the Derived Cuboid of an Eulerian Triple JO - Canadian mathematical bulletin PY - 1977 SP - 509 EP - 510 VL - 20 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-076-8/ DO - 10.4153/CMB-1977-076-8 ID - 10_4153_CMB_1977_076_8 ER -