@article{MABA_2006_20_3-4_a0,
     author = {Jordanka Mitevska and Marija Kujumdzieva-Nikoloska and Dragan Dimitrovski},
     title = {Function of {"Repeating} {Values"} of the {Solutions} to the {Differential} {Equation} y {IV+a(x)y=0}},
     journal = {Mathematica balkanica},
     pages = {257},
     publisher = {mathdoc},
     volume = {20},
     number = {3-4},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/MABA_2006_20_3-4_a0/}
}