@article{JDM_1967__69_146554,
     author = {G.M. Petersen},
     title = {Regular {Matrices} and bounded {Sequences.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {107--151},
     year = {1967},
     volume = {69},
     zbl = {0145.28801},
     url = {http://geodesic.mathdoc.fr/item/JDM_1967__69_146554/}
}