TY - JOUR AU - G. I. Marchuk TI - Construction of adjoint operators in non-linear problems of mathematical physics JO - Sbornik. Mathematics PY - 1998 SP - 1505 EP - 1516 VL - 189 IS - 10 UR - http://geodesic.mathdoc.fr/item/SM_1998_189_10_a3/ LA - en ID - SM_1998_189_10_a3 ER -