@article{MABA_1993_7_3-4_a9,
     author = {R.I. Semerdjieva},
     title = {Uniqueness of {Regular} {Solutions} for a {Class} of {Nonlinear} {Degenerating} {Hyperbolic} {Equations}},
     journal = {Mathematica balkanica},
     pages = {277},
     publisher = {mathdoc},
     volume = {7},
     number = {3-4},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/MABA_1993_7_3-4_a9/}
}