RISC RISC Research Institute for Symbolic Computation  
  • @techreport{RISC1278,
    author = {Erik Hillgarter},
    title = {{A Contribution to the Symmetry Classification Problem for 2nd Order PDEs in one Dependent and two Independent Variables}},
    number = {02-26},
    year = {2002},
    month = {December},
    note = {PhD Thesis},
    keywords = {partial differential equations},
    sponsor = {SFB project F1304, RISC PhD scholarship program of the government of Upper Austria},
    type = {RISC Report Series},
    institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
    address = {Schloss Hagenberg, 4232 Hagenberg, Austria}