@article{JRAM_1964__216_150653,
     author = {J.W.S. Cassels},
     title = {Arithmetic on curves of genus 1. {VII.} {The} dual exact sequence.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {150--158},
     publisher = {mathdoc},
     volume = {216},
     year = {1964},
     zbl = {0146.42304},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1964__216_150653/}
}