no. 2
Cohomology of the Lagrange complex
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 14 (1987) no. 2, pp. 217-227. 
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     title = {Cohomology of the {Lagrange} complex},
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     pages = {217--227},
     publisher = {Scuola normale superiore},
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     number = {2},
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Tulczyjew, W. M. Cohomology of the Lagrange complex. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 14 (1987) no. 2, pp. 217-227. http://archive.numdam.org/item/ASNSP_1987_4_14_2_217_0/

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