@article{FAA_1982_16_2_a1,
     author = {A. N. Varchenko and A. B. Givental'},
     title = {Mapping of periods and intersection form},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {7--20},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a1/}
}