@article{MS2_1969__25_166119,
     author = {W.W. Breckner and Iosif Kolumb\'an},
     title = {Konvexe {Optimierungsaufgaben} in topologischen {Vektorr\"aumen.}},
     journal = {Mathematica Scandinavica},
     pages = {227--247},
     publisher = {mathdoc},
     volume = {25},
     year = {1969},
     zbl = {0192.46703},
     url = {http://geodesic.mathdoc.fr/item/MS2_1969__25_166119/}
}