JournalspmVol. 66, No. 4Volume 66, No. 4 (2009) Portugaliae Mathematicapp. 413–426Series of reciprocal products with factors from linear recurrence sequencesPeter Bundschuhpp. 427–512The geometry of 2-calibrated manifoldsDavid Martínez Torrespp. 513–533An oscillation criterion for linear difference equations with general delay argumentG. E. ChatzarakisCh. G. PhilosI. P. Stavroulakispp. 535–541The best constant for an almost critical Sobolev imbeddingAlain Haraux
pp. 413–426Series of reciprocal products with factors from linear recurrence sequencesPeter Bundschuh
pp. 513–533An oscillation criterion for linear difference equations with general delay argumentG. E. ChatzarakisCh. G. PhilosI. P. Stavroulakis