THE MARGINAL GRAVITATIONAL LENSING

[1] [Anonymous], PHYS REV B

[2] Arnold V. I., 1984, CATASTROPHE THEORY

[3] THE LARGE-SCALE STRUCTURE OF THE UNIVERSE .1. GENERAL-PROPERTIES - ONE-DIMENSIONAL AND TWO-DIMENSIONAL MODELS [J]. GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS, 1982, 20 (1-2) : 111 - 130

[4] MULTIPLE QUASARS FOR MULTIPLE IMAGES [J]. NATURE, 1986, 323 (6088) : 515 - 516

[5] A SUPERCLUSTER CATALOG [J]. ASTROPHYSICAL JOURNAL, 1984, 277 (01) : 27 - 37

[6] BAHCALL NA, 1986, COMM AP, V11, P283

[7] DENSITY CUSPS IN CLUSTERS OF GALAXIES [J]. ASTROPHYSICAL JOURNAL, 1986, 300 (02) : 557 - 567

[8] Berry M. V., 1980, Progress in optics. Vol.XVIII, P257, DOI 10.1016/S0079-6638(08)70215-4

[9] FERMAT PRINCIPLE, CAUSTICS, AND THE CLASSIFICATION OF GRAVITATIONAL LENS IMAGES [J]. ASTROPHYSICAL JOURNAL, 1986, 310 (02) : 568 - 582

[10] BLANDFORD R, 1987, COMMUNICATION

[1] [Anonymous], PHYS REV B

[2] Arnold V. I., 1984, CATASTROPHE THEORY

[3] THE LARGE-SCALE STRUCTURE OF THE UNIVERSE .1. GENERAL-PROPERTIES - ONE-DIMENSIONAL AND TWO-DIMENSIONAL MODELS [J]. GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS, 1982, 20 (1-2) : 111 - 130

[4] MULTIPLE QUASARS FOR MULTIPLE IMAGES [J]. NATURE, 1986, 323 (6088) : 515 - 516

[5] A SUPERCLUSTER CATALOG [J]. ASTROPHYSICAL JOURNAL, 1984, 277 (01) : 27 - 37

[6] BAHCALL NA, 1986, COMM AP, V11, P283

[7] DENSITY CUSPS IN CLUSTERS OF GALAXIES [J]. ASTROPHYSICAL JOURNAL, 1986, 300 (02) : 557 - 567

[8] Berry M. V., 1980, Progress in optics. Vol.XVIII, P257, DOI 10.1016/S0079-6638(08)70215-4

[9] FERMAT PRINCIPLE, CAUSTICS, AND THE CLASSIFICATION OF GRAVITATIONAL LENS IMAGES [J]. ASTROPHYSICAL JOURNAL, 1986, 310 (02) : 568 - 582

[10] BLANDFORD R, 1987, COMMUNICATION