@article{MM3_2023_27_1_a4,
     author = {Narendra Biswas and Chetna Mehra and Mahesh C. Joshi},
     title = {Frames generated by double sequences in {Hilbert} spaces},
     journal = {Mathematica Moravica},
     pages = {53 - 72},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {2023},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2023_27_1_a4/}
}