The Italian Contribution to the Theory of Non-linear Ordinary Differential Equations and to Non-linear Mechanics During the Years, 1951-1961 |
Common terms and phrases
AMERIO amplitude Analysis at Florence Annali di Mat Annali Univ approximate methods Atti Accad autonomous systems AYMERICH B. R. SALINAS Boll Bologna Cagliari CASTRO COLOMBO considered CONSIGLIO NAZIONALE constant CONTI degrees of freedom equazioni delle oscillazioni Equazioni differenziali existence of limit existence of periodic exp pt f represent n-vectors F. G. TRICOMI f₁ Ferrara ƒ and g GHIZZETTI GRAFFI hysteresis ibid integer ital Italy K. B.-method Lett Liénard's equation limit cycle Lincei linear locally lipschitzian lomb MANACORDA MANARESI Mathematical Analysis matrix mean value theorem mechanical system Monograph NAZIONALE DELLE RICERCHE NEPPI MODONA NON-AUTONOMOUS SYSTEMS non-decreasing o-periodic P₁ P₂ Padova paper by G Parma pendulum periodic solutions Pol's problem proved the existence pura ed appl relaxation oscillation Rend Rivista mat Roma SANSONE SANTORO SESTINI singular points solutions of eq Taormina tions Torino trajectories VILLARI