. . . . . . . . "In algebraic geometry, the Ramanujam\u2013Samuel theorem gives conditions for a divisor of a local ring to be principal. It was introduced independently by Samuel in answer to a question of Grothendieck and by C. P. Ramanujam in an appendix to a paper by Seshadri, and was generalized by Grothendieck ."@en . . . . "4"^^ . "38095180"^^ . . . "5"^^ . . . "In algebraic geometry, the Ramanujam\u2013Samuel theorem gives conditions for a divisor of a local ring to be principal. It was introduced independently by Samuel in answer to a question of Grothendieck and by C. P. Ramanujam in an appendix to a paper by Seshadri, and was generalized by Grothendieck ."@en . . . "1045019545"^^ . . . . . . . . . . . "Ramanujam\u2013Samuel theorem"@en . . "1940"^^ . . . .