@article{AFM_1988_13_1_a2,
     author = {Tom\'as Kepka and Petr Nemec and Markku Niemenmaa},
     title = {On representable pairs},
     journal = {Annales Fennici Mathematici},
     pages = {71--80},
     year = {1988},
     volume = {13},
     number = {1},
     doi = {10.5186/aasfm.1988.1305},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1988.1305/}
}