@article{MO_2000_2_a0,
     author = {A. Ruinskii},
     title = {An {Orthocenter} of a {Triangle} and {Cubic} {Curves}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {2--21},
     year = {2000},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2000_2_a0/}
}