Jesús.I.ldefonso Díaz, Jesús Hernández, Yavdat Il’yasov, “On the existence of positive solutions and solutions with compact support for a spectral nonlinear elliptic problem with strong absorption”, Nonlinear Analysis: Theory, Methods & Applications, 2015
Bobkov V., “Least Energy Nodal Solutions For Elliptic Equations With Indefinite Nonlinearity”, Electron. J. Qual. Theory Differ., 2014, no. 56, 1–15
В. Е. Бобков, “О существовании знакопеременного решения эллиптических уравнений с выпукло-вогнутыми нелинейностями”, Уфимск. матем. журн., 5:2 (2013), 18–30 ; V. E. Bobkov, “On existence of nodal solution to elliptic equations with convex-concave nonlinearities”, Ufa Math. J., 5:2 (2013), 18–30
Bobkov V., Il'Yasov Ya., “Asymptotic Behaviour of Branches for Ground States of Elliptic Systems”, Electron. J. Differ. Equ., 2013, 212
Yavdat Il'yasov, Thomas Runst, “Positive solutions of indefinite equations withp-Laplacian and supercritical nonlinearity”, Complex Variables and Elliptic Equations, 56:10-11 (2011), 945
Il'yasov Ya., Egorov Y., “Hopf boundary maximum principle violation for semilinear elliptic equations”, Nonlinear Analysis-Theory Methods & Applications, 72:7–8 (2010), 3346–3355
Я. Ш. Ильясов, “Исчисление бифуркаций методом продолженного функционала”, Функц. анализ и его прил., 41:1 (2007), 23–38 ; Ya. Sh. Il'yasov, “Bifurcation Calculus by the Extended Functional Method”, Funct. Anal. Appl., 41:1 (2007), 18–30
Youri V. Egorov, Yavdat Il'yasov, “On conformal invariants for elliptic systems with multiple critical exponents”, Ann Glob Anal Geom, 32:1 (2007), 39
Егоров Ю.В., Ильясов Я.Ш., “О кратных решениях проблемы Ямабе”, Докл. РАН, 409:1 (2006), 19–21 ; Egorov Yu.V., Il'yasov Ya.Sh., “Multiple solutions to the Yamabe problem”, Dokl. Math., 74:1 (2006), 484–486
Il'yasov Ya.Sh., “On global positive solutions of parabolic equations with a sign-indefinite nonlinearity”, Differ. Equ., 41:4 (2005), 548–556