@article{ASNSP_1970_3_24_1_1_0,
     author = {Triebel, Hans},
     title = {Allgemeine {Legendresche} {Differentialoperatoren} {II}},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {1--35},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 24},
     number = {1},
     year = {1970},
     mrnumber = {275231},
     zbl = {0191.14502},
     language = {de},
     url = {http://www.numdam.org/item/ASNSP_1970_3_24_1_1_0/}
}