@article{10_1017_S0017089523000034,
     author = {Santos, M\'arcio S.},
     title = {Some characterizations of expanding and steady {Ricci} solitons},
     journal = {Glasgow mathematical journal},
     pages = {446--449},
     year = {2023},
     volume = {65},
     number = {2},
     doi = {10.1017/S0017089523000034},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089523000034/}
}