TY - BOOK AU - Liao, Shijun TI - Beyond perturbation: introduction to the homotopy analysis method SN - 1-58488-407-X U1 - 514.24 PY - 2004/// CY - Boca Raton PB - Chapman KW - Analytical methods KW - Homotophy theory KW - Mathematical analysis N1 - Includes bibliographical references and index; Overseas ER -