théorème d'Earnshaw
1959 / Who Was Earnshaw? / William T. Scott / American Journal of Physics 27 (1959) p. 418 [doi]
1976 / [Notes and Discussions] On a fallacious proof of Earnshaw's theorem / Robert Weinstock / American Journal of Physics 44 (1976) p. 392 [doi]
1980 / Earnshaw's theorem and the stability of matter / W. Jones / European Journal of Physics 1 (1980) p. 85 [doi]
1987 / [Letters to the Editor] Earnshaw's theorem / H. Aspden / American Journal of Physics 55 (1987) p. 199 [doi]