@article{10_4064_cm_65_2_213_226,
     author = {Pawe{\l} Walczak},
     title = {Jacobi operator for leaf geodesics},
     journal = {Colloquium Mathematicum},
     pages = {213--226},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1993},
     doi = {10.4064/cm-65-2-213-226},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-65-2-213-226/}
}