On nonnegative solutions of fractional q -linear time-varying dynamic systems with delayed dynamics Autoría: De La Sen, M. Revista: Abstract and Applied Analysis Volumen: art. no. 247375 Más información http://www.scopus.com/inward/record.url?eid=2-s2.0-84901807555&partnerID=40&md5=ed2a097361a7cd803abf96dec0432f32
