@article{MOMA_1981__91_178026,
     author = {W. Kratz},
     title = {Sukzessive {Minima} mit und ohne {Nebenbedingungen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {275--290},
     publisher = {mathdoc},
     volume = {91},
     year = {1981},
     zbl = {0451.10017},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1981__91_178026/}
}