| Lugar: | | Moscow |
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| Año: | | 1977 |
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| Idioma: | | Russian |
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Ringel G. Map Coloring Theorem. In Russian (ask us if in doubt)/Ringel' G. Teorema o raskraske kart. Translated from English series: Modern Mathematics. Introductory Courses. M. World 1977. 256 p., illustrations. SKUalbfff34619cb6e78cf.