@article{ASNSP_1975_4_2_1_33_0,
     author = {Peetre, Jaak},
     title = {On the trace of potentials},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {33--43},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 2},
     number = {1},
     year = {1975},
     mrnumber = {388075},
     zbl = {0308.46031},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1975_4_2_1_33_0/}
}