TY - UNPB AU - Calvaruso, Giovanni AU - Pellegrino, Lorenzo AU - Zaeim, Amirhesam TI - Ricci solitons of special Lorentzian Lie groups with a four-dimensional isometry group JO - Journal of Lie Theory PB - XXXX N1 - Online first DO - 10.5802/jolt.1430 LA - en ID - 10_5802_jolt_1430 ER -