Lifeng Ma, Alexander M. Korsunsky, Vector J-Integral Analysis of Crack Initiation at the Edge of Complete Sliding Contact, Proceedings: Mathematical, Physical and Engineering Sciences, Vol. 462, No.

Scalar line integrals and vector line integrals, scalar surface integrals and vector surface integrals, Green's, Stokes and Gauss theorems and their applications.

R. Cushman, Examples of Nonintegrable Analytic Hamiltonian Vector Fields with no Small Divisors, Transactions of the American Mathematical Society, Vol. 238 (Apr., 1978), pp. 45-55 ...