Vec_FE_Fun        413 old_code/tumor_growth/tumor_code.h   Vec_FE_Fun next_surface {"next_surface", r3dfSpace};	// surface for next step
Vec_FE_Fun        414 old_code/tumor_growth/tumor_code.h   Vec_FE_Fun surface_cg_rhs {"surface_cg_rhs", r3dfSpace};
Vec_FE_Fun         80 old_code/tumor_growth/tumor_typedef.h using Vec_CG_Solver = Dune::Fem::CGInverseOperator<Vec_FE_Fun>;
Vec_FE_Fun         81 old_code/tumor_growth/tumor_typedef.h using R3Interpolation = Dune::LagrangeInterpolation<Vec_FE_Fun>;
Vec_FE_Fun         97 old_code/tumor_growth/tumor_typedef.h = Tumor_growth::Surface_parabolic_operator<Vec_FE_Fun, DiscreteFunctionType,