@article{TM2_2021_XXIV_1_a0,
     author = {Pietro Milici and Massimo Salvi},
     title = {Conics constructions by pins and string: tangential and physical properties},
     journal = {The Teaching of Mathematics},
     pages = {1 },
     publisher = {mathdoc},
     volume = {XXIV},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2021_XXIV_1_a0/}
}