math.AP math-ph math.CA math.FA math.MP 28C05, 26B20, 28A05, 26B12, 35L65, 35L67, 28A75, 28A25, 26B05,
  26B30, 26B40, 35D30
Extended Divergence-Measure Fields, the Gauss-Green Formula, and Cauchy Fluxes
Gui-Qiang G. Chen Christopher Irving Monica Torres