%0 Journal Article %1 birkhoff46 %A Birkhoff, George D. %A Lewis, Daniel C. %D 1946 %I American Mathematical Society (AMS) %J Transactions of the American Mathematical Society %K algebraic.graph.theory chromatic four.color.theorem graph.theory planar polynomial %P 355--355 %R 10.1090/s0002-9947-1946-0018401-4 %T Chromatic Polynomials %V 60

@article{birkhoff46, added-at = {2015-05-10T12:03:53.000+0200}, author = {Birkhoff, George D. and Lewis, Daniel C.}, biburl = {https://www.bibsonomy.org/bibtex/2d2dd38fc5d3e8ad15a2e1603e4362316/ytyoun}, doi = {10.1090/s0002-9947-1946-0018401-4}, interhash = {9ff24b84ae2af45b6596f8c38264fcb7}, intrahash = {d2dd38fc5d3e8ad15a2e1603e4362316}, journal = {Transactions of the American Mathematical Society}, keywords = {algebraic.graph.theory chromatic four.color.theorem graph.theory planar polynomial}, pages = {355--355}, publisher = {American Mathematical Society ({AMS})}, timestamp = {2015-11-26T10:44:39.000+0100}, title = {Chromatic Polynomials}, volume = 60, year = 1946 }