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On Extended Congruences Connected with the Four‐Colour Map Theorem
Author(s) -
Heawood P. J.
Publication year - 1932
Publication title -
proceedings of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.899
H-Index - 65
eISSN - 1460-244X
pISSN - 0024-6115
DOI - 10.1112/plms/s2-33.1.253
Subject(s) - congruence relation , citation , mathematics , link (geometry) , combinatorics , information retrieval , computer science , discrete mathematics , library science