@article{10_1007_s10492_007_0023_4,
     author = {Tekcan, Ahmet},
     title = {Proper cycles of indefinite quadratic forms and their right neighbors},
     journal = {Applications of Mathematics},
     pages = {407--415},
     publisher = {mathdoc},
     volume = {52},
     number = {5},
     year = {2007},
     doi = {10.1007/s10492-007-0023-4},
     mrnumber = {2342597},
     zbl = {1216.11042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-007-0023-4/}
}