@article{SJC_2008_2_1_a5,
     author = {Stefanova, Kamelia and Nikolov, Roumen},
     title = {Interoperability of {Cross-Border} {European} {Egovernment} {Services:} {Some} {Design} {Issues}},
     journal = {Serdica Journal of Computing},
     pages = {73--88},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2008_2_1_a5/}
}