@article{GAMA_1962_1962_1_a5,
     author = {Machado Careoso, Jayme},
     title = {Solu\c{c}ao de problemas s\^obre c\^onicas utilizando proje\c{c}ones de sec\c{c}oes planas de cones.},
     journal = {Gaceta matem\'atica},
     pages = {134-139},
     publisher = {mathdoc},
     volume = {14},
     number = {5-6},
     year = {1962},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1962_1962_1_a5/}
}