TY - BOOK AU - Lehto, Olli AU - Virtanen, K.I. TI - Quasiconformal mappings in the plane / SN - 9783642655159 U1 - 515 22 PY - 1973/// CY - Berlin : PB - Springer, KW - Quasiconformal mappings in the plane N1 - Include Index ER -