@article{MABA_1990_4_1_a2,
     author = {M. Kosiek and M. Zajac},
     title = {Lebesgue-Type {Decompositions} of {Pairs} of {Commuting} {Contractions}},
     journal = {Mathematica balkanica},
     pages = {16},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1990},
     url = {http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a2/}
}