Robust sliding control of SEIR epidemic models Egileak: Ibeas, A., De La Sen, M., Alonso-Quesada, S. Aldizkaria: Mathematical Problems in Engineering Liburukia: art. no. 104764 Informazio gehigarria http://www.scopus.com/inward/record.url?eid=2-s2.0-84897487197&partnerID=40&md5=2834a25b41cdc6fcf29ecff78ec7486d