@article{DAN_1992_324_3_a4,
     author = {S. S. Marchenkov},
     title = {Maximal subalgebras in products of the {Post} iterative algebras $\mathfrak{P}_2$ and $\mathfrak{P}_3$},
     journal = {Doklady Akademii Nauk},
     pages = {525--528},
     publisher = {mathdoc},
     volume = {324},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_324_3_a4/}
}