TY - BOOK AU - Motreanu, Dumitru Pavel , Nicolae. H TI - Tangency, flow invariance for differential equations, and optimization problems SN - 0-8247-7341-1 U1 - 515.355 MOT PY - 1999/// CY - NEW DELHI PB - MARCEEL DEKKER KW - DIFFERENTIAL EQUATION - NONLINEAR. FLOWS, MATHEMATICAL OPTIMIZATIONS ER -