@article{10_21136_CMJ_1988_102207,
     author = {Hershkowitz, Daniel and Schneider, Hans},
     title = {Sequences, wedges and associated sets of complex numbers},
     journal = {Czechoslovak Mathematical Journal},
     pages = {138--156},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1988},
     doi = {10.21136/CMJ.1988.102207},
     mrnumber = {925947},
     zbl = {0659.30003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102207/}
}