no. 2
On an initial-boundary value problem for the equation w t =w xx -xw y
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 2 (1975) no. 2, pp. 219-263. 
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     title = {On an initial-boundary value problem for the equation $w_t = w_{xx} - xw_y$},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {219--263},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 2},
     number = {2},
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Pagani, Carlo Domenico. On an initial-boundary value problem for the equation $w_t = w_{xx} - xw_y$. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 2 (1975) no. 2, pp. 219-263. http://www.numdam.org/item/ASNSP_1975_4_2_2_219_0/

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