@article{TM2_2017_XX_2_a3,
     author = {Milosav M. Marjanovi\'c and Zoran Kadelburg},
     title = {Lagrange's formula for vector-valued functions},
     journal = {The Teaching of Mathematics},
     pages = {81 },
     publisher = {mathdoc},
     volume = {XX},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2017_XX_2_a3/}
}