00814nas a2200205 i 4500 acta35136 20200729131538.0 161017s2014 hu o 0|| eng d 1417-3875 http://dx.doi.org/10.14232/ejqtde.2014.1.41 doi SZTE Egyetemi Kiadványok Repozitórium hun eng Piao Daxiong Besicovitch almost periodic solutions for a class of second order differential equations involving reflection of the argument [elektronikus dokumentum] / Piao Daxiong 2014 1-8 Electronic journal of qualitative theory of differential equations Differenciálegyenlet Sun Jiafan aut http://acta.bibl.u-szeged.hu/35136/1/ejqtde_2014_041_001-008.pdf Dokumentum-elérés