@inbook {Hocquard 1980, title = {Lettre du prieur Guigues Ier {\`a} un ami sur la vie solitaire}, booktitle = {Collectanea Cartusiensia}, series = {Analecta Cartusiana}, number = {82:1}, year = {1980}, pages = {3-21}, address = {Salzburg}, keywords = {Guigo I O.Cart.: Epistola de vita solitaria ad ignotum amicum (editio \& translatio Francogallica), solitudo}, author = {Hocquard, Gaston} }