@article{IM2_1970_4_2_a0,
     author = {S. P. Novikov},
     title = {Algebraic construction and properties of hermitian analogs of $K$-theory over rings with involution from the viewpoint of hamiltonian formalism. applications to differential topology and the theory of characteristic {classes.~I}},
     journal = {Izvestiya. Mathematics },
     pages = {257--292},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1970_4_2_a0/}
}