@article{TM2_2007_X_1_a1,
     author = {Milosav M. Marjanovi\'c},
     title = {Didactical analysis of primary geometric concepts ii},
     journal = {The Teaching of Mathematics},
     pages = {11 },
     publisher = {mathdoc},
     volume = {X},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2007_X_1_a1/}
}