@article{AUM_2019_73_2_a2,
     author = {Zagrebnov, Valentin},
     title = {Approximations of self-adjoint {\(C_0\)-semigroups} in the operator-norm topology},
     journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica},
     publisher = {mathdoc},
     volume = {73},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUM_2019_73_2_a2/}
}