@article{10_4064_sm_138_3_241_250,
     author = {Luis Bernal-Gonz\'alez},
     title = {Universal images of universal elements},
     journal = {Studia Mathematica},
     pages = {241--250},
     publisher = {mathdoc},
     volume = {138},
     number = {3},
     year = {2000},
     doi = {10.4064/sm-138-3-241-250},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-138-3-241-250/}
}