TY - BOOK AU - Bernfeld,Stephen R. AU - Lakshmikantham,V. TI - An introduction to nonlinear boundary value problems T2 - Mathematics in science and engineering SN - 0120931508 PY - 1974/// CY - New York PB - Academic Press KW - Nonlinear boundary value problems KW - Nonlinear theories N1 - Bibliography : p. 368-383 ER -