@article{ASNSP_1971_3_25_2_221_0, author = {Aronson, D. G.}, title = {Non-negative solutions of linear parabolic equations : an addendum}, journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche}, pages = {221--228}, publisher = {Scuola normale superiore}, volume = {Ser. 3, 25}, number = {2}, year = {1971}, zbl = {0223.35046}, mrnumber = {435595}, language = {en}, url = {http://archive.numdam.org/item/ASNSP_1971_3_25_2_221_0/} }