@article{MABA_2004_18_3-4_a25,
     author = {I.A. Shapkarev and B.M. Piperevski and E.J. Hadzieva},
     title = {On {Some} {Special} {General} {Integrals} of a {Linear} {Differential} {Equation} of {Second} {Order}},
     journal = {Mathematica balkanica},
     pages = {453},
     publisher = {mathdoc},
     volume = {18},
     number = {3-4},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/MABA_2004_18_3-4_a25/}
}