@article{KJM_2002_24_a12,
     author = {Miloje Rajovi\'c and Dragan Dimitrovski},
     title = {The {Clairaut} and {Lagrange} areolar equation},
     journal = {Kragujevac Journal of Mathematics},
     pages = {123 },
     publisher = {mathdoc},
     volume = {24},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2002_24_a12/}
}