Sergei A. Abramov, Marko Petkovsek, Anna A. Ryabenko. Special formal series solutions of linear operator equations. Discrete Mathematics, 210(1-3):3-25, 2000. [doi]
@article{AbramovPR00,
title = {Special formal series solutions of linear operator equations},
author = {Sergei A. Abramov and Marko Petkovsek and Anna A. Ryabenko},
year = {2000},
doi = {10.1016/S0012-365X(99)00118-1},
url = {http://dx.doi.org/10.1016/S0012-365X(99)00118-1},
researchr = {https://researchr.org/publication/AbramovPR00},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {210},
number = {1-3},
pages = {3-25},
}