TY - BOOK AU - Cârjă, Ovidiu AU - Necula, Mihai AU - Vrabie, I. I TI - Viability, invariance and applications SN - 9780444527615 SN - 201027755 U1 - 515.3 CAR PY - 2007/// CY - Amsterdam PB - Elsevier KW - Differential equations KW - Set theory KW - Symmetry (Mathematics) N1 - Includes bibliographical references (p. 325-333) and indexes ER -