@article{10_1017_S0017089513000360,
     author = {KARN, ANIL KUMAR and SINHA, DEBA PRASAD},
     title = {AN {OPERATOR} {SUMMABILITY} {OF} {SEQUENCES} {IN} {BANACH} {SPACES}},
     journal = {Glasgow mathematical journal},
     pages = {427--437},
     year = {2014},
     volume = {56},
     number = {2},
     doi = {10.1017/S0017089513000360},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089513000360/}
}