GAP ANISOTROPY IN HIGH-T-C SUPERCONDUCTORS PRODUCED AS A RESULT OF S-WAVE COOPER PAIRING OLF ELECTRONS ON A MULTIPLY CONNECTED FERMI-SURFACE WITH SPONTANEOUS SYMMETRY-BREAKING
Ea. Pashitskii, GAP ANISOTROPY IN HIGH-T-C SUPERCONDUCTORS PRODUCED AS A RESULT OF S-WAVE COOPER PAIRING OLF ELECTRONS ON A MULTIPLY CONNECTED FERMI-SURFACE WITH SPONTANEOUS SYMMETRY-BREAKING, JETP letters, 61(4), 1995, pp. 275-281