@article{702850,
     title = {Preface},
     booktitle = {Programs and Algorithms of Numerical Mathematics},
     series = {GDML\_Books},
     publisher = {Institute of Mathematics AS CR},
     address = {Prague},
     year = {2008},
     pages = {5-5},
     url = {http://dml.mathdoc.fr/item/702850}
}

Chleboun, J.; Přikryl, P.; Segeth, K.; Vejchodský, T. Preface, dans Programs and Algorithms of Numerical Mathematics, GDML_Books,  (2008), p. 5. http://gdmltest.u-ga.fr/item/702850/