TY - JOUR AU - M. M. Higuera AU - A. V. Sinitsyn TI - Existence of lower and upper solutions in reverse order with respect to a variable in a model of acidogenesis to anaerobic digestion JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie PY - 2015 SP - 55 EP - 68 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURU_2015_8_2_a4/ LA - en ID - VYURU_2015_8_2_a4 ER -