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HARVARD Citation
Büttner, F. et al. (2016). Limit‐point / limit‐circle classification of second‐order differential operators arising in PT quantum mechanics. Proceedings in applied mathematics and mechanics. 16 (1), pp. 871-872. [Online].
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Büttner, F. et al. (2016). Limit‐point / limit‐circle classification of second‐order differential operators arising in PT quantum mechanics. Proceedings in applied mathematics and mechanics. 16 (1), pp. 871-872. [Online].