@article{RSMUP_1957__27__319_0,
     author = {Pini, Bruno},
     title = {Sulle equazioni paraboliche lineari del quarto ordine, {I}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {319--349},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {27},
     year = {1957},
     mrnumber = {100721},
     zbl = {0081.31401},
     language = {it},
     url = {http://www.numdam.org/item/RSMUP_1957__27__319_0/}
}