MATHEMATICS

Positional structures and chromatic graphs

V. A. Gurvich

International Institute of Earthquake Prediction Theory and Mathematical Geophysics RAS, Moscow

UDC: 519.1

Presented: V. I. Keilis-Borok
Received: 01.02.1991

 English version: Doklady Mathematics, 1992, 45:1, 168–172

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