@article{DOCMA_1998__S9__a6,
     author = {de Guzm\'an, Miguel and Hodgson, Bernard R. and Robert, Aline and Villani, Vinicio},
     title = {Difficulties in the passage from secondary to tertiary education},
     journal = {Documenta mathematica},
     pages = {747--762},
     publisher = {mathdoc},
     volume = {ICM Berlin 1998, Vol. III},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a6/}
}