@article{FPM_1998_4_2_a10,
     author = {V. Yu. Protasov},
     title = {On a~generalization of the convex addition},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {641--650},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1998_4_2_a10/}
}