Mardesic, Pavao Chebyshev systems and the versal unfolding of the cusps of order n/ Pavao Mardesic. - Paris: Hermann, c1998. - 153 p.: ill.; 24 cm. - Travaux en cours; 57 . - Travaux en cours (Paris, France); 57. . Includes bibliographical references (p. 149-153). ISBN: 2705663592 Subjects--Topical Terms: Chebyshev systems.Differentiable dynamical systems. Dewey Class. No.: 515.35 / M322c