@article{TM2_2004_VII_2_a4,
     author = {Aleksandar M. Nikoli\'c},
     title = {Karamata's {Products} of two {Complex} {Numbers}},
     journal = {The Teaching of Mathematics},
     pages = {107 },
     publisher = {mathdoc},
     volume = {VII},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2004_VII_2_a4/}
}