@article{702309,
     title = {The method of discretization in time and partial differential equations},
     booktitle = {Equadiff 5},
     series = {GDML\_Books},
     publisher = {BSB B.G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1982},
     pages = {293-296},
     zbl = {0522.65059},
     url = {http://dml.mathdoc.fr/item/702309}
}

Rektorys, Karel. The method of discretization in time and partial differential equations, dans Equadiff 5, GDML_Books,  (1982), pp. 293-296. http://gdmltest.u-ga.fr/item/702309/