Invariants of the group of a third order differential element Rodney Angotti OriginalPaper Pages: 31 - 35
On some characterization of probability distributions in Hilbert spaces Ignacy Kotlarski OriginalPaper Pages: 129 - 134
Differential equations of infinite order for orthogonal polynomials H. L. KrallI. M. Sheffer OriginalPaper Pages: 135 - 172
On the harmonic summability of Fourier series P. L. SharmaV. Venu Gopal Rao OriginalPaper Pages: 203 - 226
Boundedness and periodicity of solutions of a certain system of third-order non-linear differential equations J. O. C. EzeiloH. O. Tejumola OriginalPaper Pages: 283 - 316
Sui fluidi capaci di elettro-magneto-strizione dai punti di vista classico e relativistico Aldo Bressan OriginalPaper Pages: 317 - 343
Sopra l'esistenza dell'estremo assoluto per una classe di integrali curvilinei dello spazio in forma parametrica Natalia Berruti Onesti OriginalPaper Pages: 345 - 381
On the existence of almost periodic solutions of some dissipative second order differential equations J. O. C. Ezeilo Erratum Pages: 399 - 399