Determine the potential φ(x,y,z)\varphi(x, y, z)φ(x,y,z) of an electrostatic field E=ayi+(ax+bz)j+byk,\mathbf{E}=a y \mathbf{i}+(a x+b z) \mathbf{j}+b y \mathbf{k},E=ayi+(ax+bz)j+byk, where aaa and bbb are constants, i, j,k\mathbf{j}, \mathbf{k}j,k are the unit vectors of the axes x,y,zx, y, zx,y,z.