@article{10_4153_CMB_2011_091_3,
     author = {Sebbar, Abdellah and Sebbar, Ahmed},
     title = {Eisenstein {Series} and {Modular} {Differential} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {400--409},
     year = {2012},
     volume = {55},
     number = {2},
     doi = {10.4153/CMB-2011-091-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-091-3/}
}