@book{TimischlTeschl,
  author    = {Timischl, Wolfgang and Teschl, Susanne},
  title     = {Ingenieurmathematik 4, Ausf{\"u}hrliche L{\"o}sungen},
  publisher      = {Fachhochschule Technikum Wien},
  subject      = {Mathematics},
  language  = {de}
}