Geodesic
Projective invariants of planar $2$-webs
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (2018), pp. 92-97

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In this paper we compute the projective differential rational invariants of linear planar $2$-webs. The invariants are used to find conditions under which two linear planar $2$-webs are equivalent with respect to the group of projective transformations.
Keywords: projective differential invariants, invariant derivations. 
@article{IVM_2018_6_a8,
     author = {I. S. Strel'tsova},
     title = {Projective invariants of planar $2$-webs},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {92--97},
     publisher = {mathdoc},
     number = {6},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2018_6_a8/}
}
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I. S. Strel'tsova. Projective invariants of planar $2$-webs. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (2018), pp. 92-97. http://geodesic.mathdoc.fr/item/IVM_2018_6_a8/