Citation: H. Galeanasanchez, NORMAL FRATERNALLY ORIENTABLE GRAPHS SATISFY THE STRONG PERFECT GRAPHCONJECTURE, Discrete mathematics, 122(1-3), 1993, pp. 167-177
Citation: Av. Ivashchenko, REPRESENTATION OF SMOOTH SURFACES BY GRAPHS - TRANSFORMATIONS OF GRAPHS WHICH DO NOT CHANGE THE EULER CHARACTERISTIC OF GRAPHS, Discrete mathematics, 122(1-3), 1993, pp. 219-233
Citation: C. Laywine, A COUNTEREXAMPLE TO A CONJECTURE RELATING COMPLETE-SETS OF FREQUENCY SQUARES AND AFFINE GEOMETRIES, Discrete mathematics, 122(1-3), 1993, pp. 255-262