↑ Fröhlich, J.; Spencer, T. (1981). "The Kosterlitz–Thouless transition in two-dimensional abelian spin systems and the Coulomb gas" . Comm. Math. Phys . 81 (4): 527– 602. Bibcode : 1981CMaPh..81..527F . doi : 10.1007/bf01208273 . S2CID 73555642 .
↑ Fröhlich, J.; Spencer, T. (1982). "The phase transition in the one-dimensional Ising model with 1/ r 2 interaction energy" . Comm. Math. Phys . 84 (1): 87– 101. Bibcode : 1982CMaPh..84...87F . doi : 10.1007/BF01208373 . S2CID 122722140 .