@article{10_37236_1896,
     author = {Noam D. Elkies},
     title = {New directions in enumerative chess problems},
     journal = {The electronic journal of combinatorics},
     year = {2004},
     volume = {11},
     number = {2},
     doi = {10.37236/1896},
     zbl = {1077.05006},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1896/}
}