@article{10_4153_S0008414X2000005X,
     author = {\c{C}anak\c{c}{\i}, \.Ilke and Pauksztello, David and Schroll, Sibylle},
     title = {On {Extensions} for {Gentle} {Algebras}},
     journal = {Canadian journal of mathematics},
     pages = {249--292},
     year = {2021},
     volume = {73},
     number = {1},
     doi = {10.4153/S0008414X2000005X},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X2000005X/}
}