@article{JOLT_2021_31_3_a2,
     author = {Mani Shankar Pandey and Sumit Kumar Upadhyay},
     title = {Theory of {Extensions} of {Multiplicative} {Lie} {Algebras}},
     journal = {Journal of Lie Theory},
     pages = {637--658},
     year = {2021},
     volume = {31},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2021_31_3_a2/}
}