Integrable 1+1 dimensional hierarchies arising from reduction of a non-isospectral problem in 2+1 dimensions. - Pilar G. Estévez; Juan D. Lejarreta; Cristina Sardón (Appl. Math. Comput., 2013)

Lie symmetries for Lie systems: Applications to systems of ODEs and PDEs. - Pilar G. Estévez; Francisco Jose Herranz; Javier de Lucas; Cristina Sardón (Appl. Math. Comput., 2016)

Spectral problem for a two-component nonlinear Schrödinger equation in 2+1 dimensions: Singular manifold method and Lie point symmetries. - Paz Albares; Juan Manuel Conde; Pilar G. Estévez (Appl. Math. Comput., 2019)

Derivative non-linear Schrödinger equation: Singular manifold method and Lie symmetries. - Paz Albares; Pilar G. Estévez; Juan D. Lejarreta (Appl. Math. Comput., 2021)

A Review in Ermakov Systems and Their Symmetries. - Jose M. Cerveró; Pilar G. Estévez (Symmetry, 2021)