@article{TM2_2004_VII_2_a3,
     author = {Borislav Lazarov},
     title = {Comparing two {Ways} of {Elaboration} of {Complex} {Numbers}},
     journal = {The Teaching of Mathematics},
     pages = {103 },
     publisher = {mathdoc},
     volume = {VII},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2004_VII_2_a3/}
}