@article{10_1017_S0017089520000427,
     author = {ANWAR, MUHAMMAD FAZEEL and BIBI, MAIRAJ and AKRAM, MUHAMMAD SAEED},
     title = {ON {SOLVABILITY} {OF} {CERTAIN} {EQUATIONS} {OF} {ARBITRARY} {LENGTH} {OVER} {TORSION-FREE} {GROUPS}},
     journal = {Glasgow mathematical journal},
     pages = {651--659},
     year = {2021},
     volume = {63},
     number = {3},
     doi = {10.1017/S0017089520000427},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089520000427/}
}