Author: Villa, Mario

Villa, Mario: Le direzioni caratteristiche di una trasformazione puntuale. (Italian) [The characteristic directions of a point transformation]. Archivum Mathematicum, vol. 6 (1970), issue 1, pp. 1-5
Villa, Mario Eduard Čech (Italian). Boll. Unione Mat. Ital., III. Ser. 15, 342-343 (1960)
Villa, Mario: L'applicabilité projective de deux transformations ponctuelles. (French) [The projective applicability of two point mappings]. Czechoslovak Mathematical Journal, vol. 6 (1956), issue 4, pp. 435-443

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