Rights statement: Copyright 2015 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Mathematical Physics, 56, 042901 2015 and may be found at http://scitation.aip.org/content/aip/journal/jmp/56/4/10.1063/1.4918363
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Article number | 042901 |
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<mark>Journal publication date</mark> | 17/04/2015 |
<mark>Journal</mark> | Journal of Mathematical Physics |
Volume | 56 |
Number of pages | 11 |
Publication Status | Published |
<mark>Original language</mark> | English |