@article{CM_1964__16__205_0,
     author = {Boersma, J.},
     title = {Boundary value problems in diffraction theory and lifting surface theory},
     journal = {Compositio Mathematica},
     pages = {205--293},
     publisher = {Kraus Reprint},
     volume = {16},
     year = {1964},
     mrnumber = {174252},
     zbl = {0166.37802},
     language = {en},
     url = {http://www.numdam.org/item/CM_1964__16__205_0/}
}