@article{MS2_1996__79_2_167406,
     author = {Knut Oyma},
     title = {Approximation by {Interpolating} {Blaschke} {Products.}},
     journal = {Mathematica Scandinavica},
     pages = {255--262},
     publisher = {mathdoc},
     volume = {79},
     number = {2},
     year = {1996},
     zbl = {0881.30031},
     url = {http://geodesic.mathdoc.fr/item/MS2_1996__79_2_167406/}
}