@article{10_4064_ba55_3_6,
     author = {Ivan Ivan\v{s}i\'c and Leonard R. Rubin},
     title = {Inverse {Sequences} and {Absolute} {Co-Extensors}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {243--259},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {2007},
     doi = {10.4064/ba55-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba55-3-6/}
}