@article{10_21136_CMJ_2020_0535_18,
     author = {Ndikubwayo, Innocent},
     title = {Criterion of the reality of zeros in a polynomial sequence satisfying a three-term recurrence relation},
     journal = {Czechoslovak Mathematical Journal},
     pages = {793--804},
     publisher = {mathdoc},
     volume = {70},
     number = {3},
     year = {2020},
     doi = {10.21136/CMJ.2020.0535-18},
     mrnumber = {4151706},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0535-18/}
}