@article{701335,
     title = {Foreword},
     booktitle = {Proceedings of the 13th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1985},
     pages = {[7]-[7]},
     url = {http://dml.mathdoc.fr/item/701335}
}

Frolík, Z.; Souček, V.; Vinárek, J. Foreword, dans Proceedings of the 13th Winter School on Abstract Analysis, GDML_Books,  (1985), p. [7]. http://gdmltest.u-ga.fr/item/701335/