@article{NSJOM_1991_21_2a_8,
     author = {Stavre Petre and Francisc Klepp C.},
     title = {The 

 study of linear d-connections on the total space of a vector bundle 

 {\ensuremath{\varepsilon}=(E,\ensuremath{\pi},M)(I)}},
     journal = {Novi Sad Journal of Mathematics},
     pages = {91-109},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1991_21_2a_8/}
}