@article{JOLT_2017_27_1_a8,
     author = {M. G. Cowling and A. Ottazzi},
     title = {Structure of {Stratified} {Groups.} {I:} {Product} {Decompositions}},
     journal = {Journal of Lie Theory},
     pages = {177--183},
     year = {2017},
     volume = {27},
     number = {1},
     doi = {10.5802/jolt.939},
     zbl = {1366.22005},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.939/}
}