@article{MABA_1996_10_2-3_a7,
     author = {M. Hasanov},
     title = {On the {Spectral} {Properties} of {Some} {Classes} of {Two} {Parametric} {Operator} {Pencils}},
     journal = {Mathematica balkanica},
     pages = {237},
     publisher = {mathdoc},
     volume = {10},
     number = {2-3},
     year = {1996},
     url = {http://geodesic.mathdoc.fr/item/MABA_1996_10_2-3_a7/}
}