@article{ASNSP_1966_3_20_4_719_0,
     author = {Besala, Piotr and Fife, Paul},
     title = {The unbounded growth of solutions of linear parabolic differential equations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {719--732},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 20},
     number = {4},
     year = {1966},
     mrnumber = {206466},
     zbl = {0156.33402},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1966_3_20_4_719_0/}
}