@book{OechsnerMakvandi2021,
  author    = {Andreas {\"O}chsner and Resam Makvandi},
  title     = {Plane Finite Elements for Two-Dimensional Problems},
  series    = {Application of the Computer Algebra System Maxima},
  isbn      = {978-3-030-89549-5},
  doi       = {10.1007/978-3-030-89550-1},
  year      = {2021},
}