@article{RSMUP_1985__74__129_0,
     author = {N\u{a}st\u{a}sescu, C. and Rodin\`o, N.},
     title = {Group graded rings and smash products},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {129--137},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {74},
     year = {1985},
     mrnumber = {818722},
     zbl = {0602.16002},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1985__74__129_0/}
}