 |
Levi, Decio (ed.) Symmetries and integrability of difference equations Cham, Switzerland : Springer, 2017. x, 435 p. -- (CRM series in mathematical physics) QA370 A33 2016 |
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Levi, Decio (ed.) Symmetries and integrability of difference equations Cham, Switzerland : Springer, 2017. x, 435 p. -- (CRM series in mathematical physics) QA370 A33 2016 |