@article{DOCMA_2012__S3__a8,
     author = {Johnson, David S.},
     title = {A brief history of {NP-completeness,} 1954--2012},
     journal = {Documenta mathematica},
     pages = {359--376},
     publisher = {mathdoc},
     volume = {Optimization Stories},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2012__S3__a8/}
}