MathSciNet bibliographic data MR1829083 53D35 (57R17) Bhupal, Mohan A partial order on the group of contactomorphisms of \$\Bbb R\sp {2n+1}\$$\Bbb R\sp {2n+1}$ via generating functions. Turkish J. Math. 25 (2001), no. 1, 125–135. Journal

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