@article{MABA_2011_25_1-2_a8,
     author = {M. Canak and L. Stefanovska and L. Protic},
     title = {Schwarz {Function} for {Vekua} {Complex} {Differential} {Equation}},
     journal = {Mathematica balkanica},
     pages = {147},
     publisher = {mathdoc},
     volume = {25},
     number = {1-2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a8/}
}