@article{CMH_1989__64_1_140171,
     author = {Robert A. Wolak},
     title = {Maximal subalgebra in the algebra of foliated vector fields of a {Riemannian} foliation.},
     journal = {Commentarii mathematici Helvetici},
     pages = {536--541},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1989},
     zbl = {0695.53023},
     url = {http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140171/}
}