@article{TM2_2017_XX_1_a3,
     author = {Andreas Poulos},
     title = {A research on the creation of problems for mathematical competitions},
     journal = {The Teaching of Mathematics},
     pages = {26 },
     publisher = {mathdoc},
     volume = {XX},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2017_XX_1_a3/}
}