27 http://hdl.handle.net/10338.dmlcz/147763 2019 Retraction notice to: “α-modules and generalized submodules” http://hdl.handle.net/10338.dmlcz/147989 Retraction notice to: “α-modules and generalized submodules” Time fractional Kupershmidt equation: symmetry analysis and explicit series solution with convergence analysis http://hdl.handle.net/10338.dmlcz/147988 Time fractional Kupershmidt equation: symmetry analysis and explicit series solution with convergence analysis Oscillation in deviating differential equations using an iterative method http://hdl.handle.net/10338.dmlcz/147987 Oscillation in deviating differential equations using an iterative method New class of boundary value problem for nonlinear fractional differential equations involving Erdélyi-Kober derivative http://hdl.handle.net/10338.dmlcz/147986 New class of boundary value problem for nonlinear fractional differential equations involving Erdélyi-Kober derivative