@article{SJC_2013_7_4_a5,
     author = {Akritas, Alkiviadis and Malaschonok, Gennadi and Vigklas, Panagiotis},
     title = {On a {Theorem} by {Van} {Vleck} {Regarding} {Sturm} {Sequences}},
     journal = {Serdica Journal of Computing},
     pages = {389--422},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2013_7_4_a5/}
}