@article{10_21136_CPMF_1938_122006,
     author = {Behrend, Felix},
     title = {On sequences of integers containing no arithmetic progression},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {235--239},
     publisher = {mathdoc},
     volume = {67},
     number = {4},
     year = {1938},
     doi = {10.21136/CPMF.1938.122006},
     zbl = {0019.15002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1938.122006/}
}