TY - DATA AU - Thomas H. Otway TI - The Dirichlet Problem for Elliptic-Hyperbolic Equations of Keldysh Type SN - 9783642244155 PY - 2012/// PB - Springer Berlin Heidelberg KW - Mathematics and Statistics UR - https://doi.org/10.1007/978-3-642-24415-5 ER -