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JOURNALS // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika // Archive
Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1989 Number 6, Pages 58–60 (Mi vmumm2889)
Short notes

Nonexistence of some twelfth-order $4$-critical graphs

I. A. Muzychuk


UDC: 519.1

Received: 25.10.1988



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