TY - JOUR AU - Mary L. Cartwright AU - H. P. F. Swinnerton-Dyer TI - Boundedness theorems for some second order differential equations I JO - Annales Polonici Mathematici PY - 1974 SP - 233 EP - 258 VL - 29 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-29-3-233-258/ DO - 10.4064/ap-29-3-233-258 LA - en ID - 10_4064_ap_29_3_233_258 ER -