@article{MM2_1990__67_1_155487,
     author = {Harold P. Boas and Emil J. Straube},
     title = {Equivalence of {Regularity} for the {Bergman} {Projection} and the {...-Neumann} operator.},
     journal = {Manuscripta mathematica},
     pages = {25--34},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {1990},
     zbl = {0695.32011},
     url = {http://geodesic.mathdoc.fr/item/MM2_1990__67_1_155487/}
}