[MathOuvrage]
The Index theorem for minimal higher genus
/ Tomi, F. ; Tromba, A.J..
-Providence RI : American mathematical Society, 1995. - vi, 78 p. ; 26 cm
ISBN 9780821803523
[MathOuvrage]
Vector calculus
/ Marsden, Jerrold E. ; Tromba, A.J..
-New York : W. H. Freeman and co., 1988. - xiv, 655