1 - Contributions of the theory of nonlinear oscillations. Volume IILefschetz, Solomon (1884-1972) / Cartwright, Mary Lucy (1900-1998) / Coddington, Earl A / Levinson, Norman (1912-1975)Cote : [47 LEF 52-2]
2 - Integral functionsCartwright, Mary Lucy (1900-1998)Cote : [45 CAR 56]
