@article{MS2_1973__33_166319,
     author = {Bent Birkeland},
     title = {A {Cauchy} {Problem} fo {Analytic} {Functionals.}},
     journal = {Mathematica Scandinavica},
     pages = {130--138},
     publisher = {mathdoc},
     volume = {33},
     year = {1973},
     zbl = {0273.35017},
     url = {http://geodesic.mathdoc.fr/item/MS2_1973__33_166319/}
}