TY - JOUR AU - Smith, Graham AU - Dawson, Jeremy TI - The determination of necessary and sufficient conditions for the existence of a solution to the $3\times3\times3$ multi-index problem JO - Applications of Mathematics PY - 1979 SP - 201 EP - 208 VL - 24 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1979.103797/ DO - 10.21136/AM.1979.103797 LA - en ID - 10_21136_AM_1979_103797 ER -