@article{GDZPPN002230607,
title = {Invariant Complex Structures on Four-Dimensional Solvable Real Lie Groups.},
journal = {Manuscripta mathematica},
volume = {67},
year = {1990},
pages = {397-412},
zbl = {0715.22008},
url = {http://dml.mathdoc.fr/item/GDZPPN002230607}
}
Erdman Snow, Joanne. Invariant Complex Structures on Four-Dimensional Solvable Real Lie Groups.. Manuscripta mathematica, Tome 67 (1990) pp. 397-412. http://gdmltest.u-ga.fr/item/GDZPPN002230607/