JournalsemVol. 69, No. 1Volume 69, No. 1 (2014) Elemente der Mathematikpp. 1–10The Feuerbach circle and the other remarkable circles of the cyclic polygonsBlas Herrera Gómezpp. 11–17Two curious integrals and a graphic proofHanspeter Schmidpp. 18–22An explicit family of Um-numbersAna Paula ChavesDiego Marquespp. 23–29Contractible Hamiltonian cycles in triangulated surfacesAshish Kumar Upadhyaypp. 30–32The Green-Tao theorem on primes in arithmetical progressions in the positive cone of Z[X]Victor Pambuccianpp. 33–39A proof of the main theorem on BezoutiansBranko ĆurgusAad Dijksmapp. 40–43Aufgabenp. 44Rezensionen
pp. 1–10The Feuerbach circle and the other remarkable circles of the cyclic polygonsBlas Herrera Gómez
pp. 30–32The Green-Tao theorem on primes in arithmetical progressions in the positive cone of Z[X]Victor Pambuccian
