@article{SJC_2007_1_2_a6,
     author = {Gashkov, Igor and Larsson, Henrik},
     title = {Improvements on the {Juxtaposing} {Theorem}},
     journal = {Serdica Journal of Computing},
     pages = {207--212},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2007_1_2_a6/}
}