@article{CM_1937__4__342_0,
     author = {Weatherburn, C. E.},
     title = {On certain useful vectors in differential geometry},
     journal = {Compositio Mathematica},
     pages = {342--345},
     publisher = {Johnson Reprint Corporation},
     volume = {4},
     year = {1937},
     zbl = {0016.37202},
     language = {en},
     url = {http://www.numdam.org/item/CM_1937__4__342_0/}
}