@article{702884,
     title = {Preface},
     booktitle = {Applications of Mathematics 2012},
     series = {GDML\_Books},
     publisher = {Institute of Mathematics AS CR},
     address = {Prague},
     year = {2012},
     pages = {i-iv},
     url = {http://dml.mathdoc.fr/item/702884}
}

Segeth, Karel. Preface, dans Applications of Mathematics 2012, GDML_Books,  (2012), pp. i-iv. http://gdmltest.u-ga.fr/item/702884/