@article{MS2_1972__31_166260,
     author = {R. Altschul},
     title = {Another {Proof} for a {Combinatorial} {Lemma} in {Fluctuation} {Theory.}},
     journal = {Mathematica Scandinavica},
     pages = {123--126},
     publisher = {mathdoc},
     volume = {31},
     year = {1972},
     zbl = {0254.60008},
     url = {http://geodesic.mathdoc.fr/item/MS2_1972__31_166260/}
}