@article{MABA_2007_21_1-2_a3,
     author = {Ivo M. Michailov},
     title = {Embedding {Obstructions} for the {Cyclic} and {Modular} {2-Groups}},
     journal = {Mathematica balkanica},
     pages = {31},
     publisher = {mathdoc},
     volume = {21},
     number = {1-2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/MABA_2007_21_1-2_a3/}
}