Sull'espressione dell'integrale completo d'ogni equazione lineare a due variabili per mezzo degli integrali particolari della stessa equazione col secondo membro ridotto a zero.

Translated from the Greek of Euripides with an Original Interpretation of the Myth of Kadmos. Whitefish, Kessinger Publ. 1993, cm.20x27, pp.164, alcune ill.bn.ft, brossura Facsimile. The Bakchai were the followers of Bakchos, also named Dionysos, the God of Seership and reputed founder of the sacred Mysteries. Those who were initiated in these Mysteries were called Bakchoi, since the initiate was said to become one with his God. Illustrated by J. Augustus Knapp.

Milano, Arnoldo Mondadori Ed. 1994, cm.11x18,3, pp.287, tascabile, cop.fig.a col. Coll.I Classici del Giallo,703.

Paris, Le Sorbier, 1999, 14,5x19,5, pp.124, num.figg.a col.nt. brossura cop.fig. a col. Coll.Visio Histoire. Testo in francese.