Linear_operator    31 src/secOrd_op_brusselator.cpp using Linear_operator = Dune::Fem::ISTLLinearOperator<FE_function, FE_function>;
Linear_operator    44 src/secOrd_op_brusselator_impl.cpp using Linear_operator = Dune::Fem::ISTLLinearOperator<FE_function, FE_function>;
Linear_operator    32 src/secOrd_op_brusselator_impl.h using Linear_operator = Dune::Fem::ISTLLinearOperator<FE_function, FE_function>;