@article{SF_1997__54_2_135511,
     author = {Y.S. Eidelman and I.V. Tikhonov},
     title = {A note on the abstract {Cauchy} problem.},
     journal = {Semigroup forum},
     pages = {112--116},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {1997},
     zbl = {0868.47028},
     url = {http://geodesic.mathdoc.fr/item/SF_1997__54_2_135511/}
}