The ratio of black and white polygons of a map generated by general straight lines Ilona Palásti OriginalPaper Pages: 91 - 94
Über lineare Operatoren, die mit geometrischen Differenzen gebildet werden W. Hahn OriginalPaper Pages: 95 - 109
Notes on the eigenvalues and zeros of the solutions of half-linear second order ordinary differential equations I. Bihari OriginalPaper Pages: 117 - 123
On the oscillation of Bôcher's pairs with respect to half-linear differential equations and systems I. Bihari OriginalPaper Pages: 153 - 160
