@article{TM2_2007_X_2_a3,
     author = {Milosav M. Marjanovi\'c and Zoran Kadelbur},
     title = {A proof of {Chebyshev's} inequality},
     journal = {The Teaching of Mathematics},
     pages = {107 },
     publisher = {mathdoc},
     volume = {X},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2007_X_2_a3/}
}